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186-acre pond near Stewartstown. NH GRANIT / NH Fish & Game survey water. The lake tops out around 100 ft. The depth chart is built from real state fisheries GPS surveys, so the humps, channels and drop-offs you see are measured, not guessed. Here is how the season plays out for each species, straight from the data behind the map.
On the chart, Diamond Pond draws 186 acres inside 2.1 miles of shoreline. The basin is a simple one (shoreline index 1.1) — close to a bowl, so the structure on the chart matters more than the bank. Roughly 20% of the water is 15 ft or less, the band where the food chain lives. The basin spans about 0.8 mi end to end and 0.5 mi across at its widest. You'll find it in Coos County. Closest neighbour on DepthScout: Diamond Pond, Little, 1 mi southwest of here.
Start shallow in spring: largemouth bass sit in 2 to 10 ft that time of year. Warm water sends them out to 8 to 20 ft; cold water stacks them in 15 to 35 ft. Top water on the chart: Secondary point, a point in the 5 ft range, prime in fall. Fish it in early morning and the evening and you'll meet the bite. Throw a texas-rigged 10" worm or a deep-diving crankbait until the fish tell you otherwise.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 2 to 10 ft | dawn & dusk | Shallow bay flat (9 ft) | Spinnerbait, Chatterbait |
| Summer | 8 to 20 ft | dawn & dusk | Break off the point (23 ft) | Texas-rigged 10" worm, Deep-diving crankbait |
| Fall | 4 to 15 ft | midday & dawn | Secondary point (5 ft) | Squarebill crankbait (shad), Spinnerbait |
| Winter | 15 to 35 ft | midday | Break off the point (23 ft) | Blade bait, Jigging spoon |
When the water first warms, yellow perch slide up into 3 to 12 ft. Summer is a 10 to 30 ft game here, winter a 15 to 35 ft one. Start at Break off the point. It's a drop-off holding about 23 ft of water and rates prime come summer. The feeding windows run early morning. Keep a drop-shot micro plastics or a small spoon tipped with worm rigged through the warm months.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 3 to 12 ft | midday & dawn | Shallow bay flat (9 ft) | Small jig + curly tail, Perch-pattern micro crank |
| Summer | 10 to 30 ft | dawn | Break off the point (23 ft) | Drop-shot micro plastics, Small spoon tipped with worm |
| Fall | 12 to 35 ft | midday | Break off the point (23 ft) | Jigging spoon (small), Perch rig / spreader |
| Winter | 15 to 35 ft | midday & dawn | Break off the point (23 ft) | Tungsten jig + spikes, Rattle spoon (small) |
Come spring, look for chain pickerel tight to the bank in 2 to 10 ft. They move out to 3 to 15 ft in summer and finish the year down in 5 to 18 ft. If you only fish one area, make it Shallow bay flat: a feeding flat around 9 ft that scores prime in spring. Best bite is early morning and the evening. A weedless spoon + trailer or a buzzbait is the honest summer answer here.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 2 to 10 ft | midday & dawn | Shallow bay flat (9 ft) | Inline spinner (silver), Small spoon (red/white) |
| Summer | 3 to 15 ft | dawn & dusk | Shallow bay flat (9 ft) | Weedless spoon + trailer, Buzzbait |
| Fall | 4 to 15 ft | midday & dawn | Shallow bay flat (9 ft) | Jerkbait along weed edges, Spinnerbait |
| Winter | 5 to 18 ft | dawn | Shallow bay flat (9 ft) | Jigging spoon (through ice) |
Spring puts bluegill in skinny water — 1 to 6 ft is the zone. Warm water sends them out to 4 to 15 ft; cold water stacks them in 10 to 25 ft. Back-bay flat is the standout, a feeding flat at roughly 6 ft, rated prime for spring bluegill. Plan around early morning and the evening in the warm months. A small sponge spider (fly) or a micro tube jig covers the summer program.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 1 to 6 ft | midday & dusk | Back-bay flat (6 ft) | 1/32 oz jig + micro plastic, Tiny popper (evenings) |
| Summer | 4 to 15 ft | dawn & dusk | Shallow bay flat (9 ft) | Small sponge spider (fly), Micro tube jig |
| Fall | 6 to 18 ft | midday | Shallow bay flat (9 ft) | Micro jig + waxworm, Small spoon tipped |
| Winter | 10 to 25 ft | midday | Break off the point (23 ft) | Tungsten ice jig + plastic, Tiny spoon |
The spring pattern is a shallow one: smallmouth bass in 3 to 12 ft. Midsummer fish sit out in 10 to 30 ft before dropping to 20 to 45 ft for winter. The spot to know is Break off the point, a drop-off in about 23 ft of water that rates prime for smallmouth bass in winter. Plan around early morning and the evening in the warm months. Summer baits: a drop shot (goby/minnow) or a ned rig gets it done.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 3 to 12 ft | dawn & dusk | Main-lake point (3 ft) | Ned rig, Tube jig |
| Summer | 10 to 30 ft | dawn & dusk | Break off the point (23 ft) | Drop shot (goby/minnow), Ned rig |
| Fall | 8 to 25 ft | midday & dawn | Break off the point (23 ft) | Jerkbait, Blade bait |
| Winter | 20 to 45 ft | midday | Break off the point (23 ft) | Blade bait, Hair jig |
Spring puts white perch in skinny water — 4 to 15 ft is the zone. As the season builds they drop to 15 to 40 ft, wintering in 20 to 50 ft. Fall white perch concentrate at Break off the point, a prime-rated drop-off around 23 ft. Warm-month bites cluster around early morning. A small spinner rig drifted or a 1/8 oz jigging spoon covers the summer program.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 4 to 15 ft | dusk | Shallow bay flat (9 ft) | Small jig + curly tail, Inline spinner (silver) |
| Summer | 15 to 40 ft | dawn | Break off the point (23 ft) | Small spinner rig drifted, 1/8 oz jigging spoon |
| Fall | 15 to 45 ft | midday | Break off the point (23 ft) | Jigging spoon (small), Blade bait |
| Winter | 20 to 50 ft | dusk | Break off the point (23 ft) | Small rattle spoon, Tungsten + spikes |
Diamond Pond also holds brook trout (10 to 30 ft in summer), lake trout (30 to 100 ft in summer). Pick any of them on the map above for rated spots and bait picks.
Count 6 structure marks on this chart. The deepest, Deep basin, sits near 99 ft.
Access data: New Hampshire Fish & Game — Public Access Sites. Confirm conditions and fees locally before you launch.
Season dates, license requirements, and size and bag limits for New Hampshire waters are set by the New Hampshire Fish and Game — and special regulations can apply to Diamond Pond specifically, so confirm the current rules before you fish.
Check the official New Hampshire fishing regulations →
Diamond Pond is about 100 ft (30 m) deep at its deepest point. The depth chart here comes from real state fisheries GPS surveys, so the contours reflect measured depths.
Anglers target largemouth bass, yellow perch, chain pickerel, bluegill, smallmouth bass, white perch, brook trout, lake trout on Diamond Pond.
Secondary point is the top-rated area: a point in about 5 ft of water that rates prime for largemouth bass in fall. The interactive chart above rates every spot for each species and season.
For largemouth bass, the summer bite is best in early morning and the evening. Each species page section below lists the seasonal windows, and the map shows a live NOW badge when you're inside one.
Fishing on Diamond Pond is regulated by the New Hampshire Fish and Game. Check the official New Hampshire regulations for current license requirements, season dates, and size and bag limits — special regulations can apply to this specific water.
Diamond Pond, Little 1 mi · NATHAN POND 3 mi · Lake Francis 6 mi · Connecticut River 9 mi · Back Lake 9 mi · First Connecticut Lake 10 mi · Greenough Pond, Little 12 mi · Greenough Pond 12 mi · Round Pond 12 mi · Millsfield Pond 13 mi · Akers Pond 13 mi · BIG BROOK BOG 15 mi
See how Diamond Pond stacks up: best largemouth bass lakes in New Hampshire · best smallmouth bass lakes in New Hampshire · best bluegill lakes in New Hampshire · best yellow perch lakes in New Hampshire
More water nearby: Coos County fishing maps (40 charts). Browse all New Hampshire fishing maps or see every water on DepthScout. Bathymetry credit: state fisheries survey programs. How we build these maps. Fish here with a sonar unit that logs? Send us your depth data and we'll improve this chart, credited to you. For fishing guidance only, never navigation.